首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   51360篇
  免费   1998篇
  国内免费   28篇
  2020年   481篇
  2019年   658篇
  2018年   903篇
  2017年   971篇
  2016年   973篇
  2015年   739篇
  2014年   824篇
  2013年   4056篇
  2012年   1433篇
  2011年   1562篇
  2010年   993篇
  2009年   977篇
  2008年   1352篇
  2007年   1328篇
  2006年   1204篇
  2005年   1056篇
  2004年   982篇
  2003年   1016篇
  2002年   986篇
  2001年   1812篇
  2000年   1758篇
  1999年   1288篇
  1998年   570篇
  1997年   489篇
  1996年   498篇
  1992年   1088篇
  1991年   1055篇
  1990年   1001篇
  1989年   946篇
  1988年   930篇
  1987年   893篇
  1986年   876篇
  1985年   955篇
  1984年   750篇
  1983年   625篇
  1981年   483篇
  1979年   770篇
  1978年   575篇
  1977年   514篇
  1976年   490篇
  1975年   654篇
  1974年   749篇
  1973年   800篇
  1972年   641篇
  1971年   579篇
  1970年   554篇
  1969年   552篇
  1968年   694篇
  1967年   618篇
  1966年   638篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
971.
Quality-of-life measures: hospital interview versus home questionnaire   总被引:2,自引:0,他引:2  
Measures adapted from social survey research were used to assess the quality of life of 33 end-stage renal disease (ESRD) patients in a 2-week test-retest design that varied both location and format of administration (hospital interview vs. home self-administered questionnaire). The measures were found to have substantial consistency over time, location, and format. These results indicate that quality of life is a stable construct and support the usefulness of questionnaire quality-of-life measures for evaluating medical interventions.  相似文献   
972.
Medicaid proposals increasingly focus on cost-saving strategies that restrict clients' control over where and when they may receive services. This study used a field experiment in an urban welfare office to examine the possible effects of two aspects of restrictive policies: the loss of choice of providers and adverse patient mix (i.e., when the majority of a provider's clients are Medicaid beneficiaries). Results indicate that health care presented within the context of not having a choice is derogated and that choice and patient mix combine to influence intentions to seek care. Persons who did not choose the health plan in a simulated choice, who had fewer choices than expected, and who did not accept restricted choice also had negative perceptions.  相似文献   
973.
974.
975.
Distinctions are drawn between different predictors of an individual's memory performance, with emphasis on the notion of privileged access to idiosyncratic knowledge. Research is reported in which undergraduates attempted to recall the answers to general-information questions, then made feeling-of-knowing judgments on nonrecalled items, and subsequently had a criterion test (relearning, perceptual identification, or one of two versions of recognition). For predicting an individual's criterion performance, the individual's own feeling-of-knowing predictions were intermediate between two kinds of normative predictions: The individual's feeling-of-knowing predictions were more accurate than predictions derived from normative feeling-of-knowing ratings but were less accurate than predictions derived from base-rate item difficulty (normative probabilities of correct recall). Subsidiary analyses showed that factors other than unreliability are responsible for the partial inaccuracy of the individual's feeling of knowing. Ramifications are discussed for possible ways to improve the accuracy of an individual's feeling-of-knowing predictions.  相似文献   
976.
977.
The three subjects of this article, Charles Citrenbaum, Mark King, and William Cohen, are authors, hypnotherapists, and educators par excellence. In this interview they discuss a variety of topics, including Milton H. Erickson (the “Father of Clinical Hypnosis”), hypnosis, hypnotherapy, and effective clinical practice.  相似文献   
978.
Psychopathology and symptom patterns were studied in 60 former prisoners-of-war (POWs) by administering standardized tests including the Minnesota Multiphasic Personality Inventory (MMPI), an adjustment problem checklist, and a structured clinical interview. Most POWs showed marked psychological impairment, but modal profile analysis identified two prototypic MMPI patterns, which differed in pervasiveness and type of psychopathology. Profile subtypes were defined by unique clusters of clinical symptoms and differed in confinement stress severity. The typology of symptoms argues against a homogeneous conceptualization of stress-induced disorders and suggests the need for definition of the severity and subtype of stress phenomena and individual difference factors in responding to trauma.  相似文献   
979.
980.
Dating experiences, especially the type or stage of dating, have consistently been found to be related to premarital sexual behavior. Findings regarding the age at 1st date and sexual behavior have been less consistent. This paper examined the age at which dating began and the type of dating relationship as correlates of premarital sexual attitudes and behavior among mid-teen adolescents. The analyses were based on a sample of high school students (n=836), most of whom were between the ages of 15 and 18 when the surveys were conducted. Early dating, especially early steady dating, was related to permissive attitudes and to premarital sexual experience among both males and females. The relationship between early dating and intercourse experience was particulary strong among Mormons, a religious group which has institutionalized age 16 as the legitimate age to begin dating.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号